—________ will your brother come back?—I’m not sure. Maybe in a week.A. When B. How C. Whether
I’m sorry I took your backpack______ .
If you want to know the meaning of the word______, you’d better look it up in the dictionary.
—There’s ______ time left. You don’t need to hurry, Jack. —But I want to see her as early as possible.
Another thing that he _________ very difficult was English grammar.
We prefer ________at the party rather than______.